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Finding the Fourth Proportional to 270,790.55, 373,573.31 and 163,300.85

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Solution

The fourth proportional to 270,790.55, 373,573.31 and 163,300.85 is: 225,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,790.55 : 373,573.31 = 163,300.85 : x
  2. Step 2: Convert to fraction form
    270,790.55/373,573.31 = 163,300.85/x
  3. Step 3: Cross multiply
    270,790.55x = 373,573.31 × 163,300.85
  4. Step 4: Simplify right side
    270,790.55x = 61,004,836,375.94
  5. Step 5: Solve for x
    x = 61,004,836,375.94/270,790.55
  6. Step 6: Final answer
    x = 225,284.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.